@article {marcano2006optimization,
	title = {An optimization algorithm for a distributed-loop model of an avian urine concentrating mechanism},
	journal = {Bulletin of mathematical biology},
	volume = {68},
	year = {2006},
	pages = {1625{\textendash}1660},
	publisher = {Springer-Verlag},
	author = {Marcano, Mariano and Layton, Anita T and Layton, Harold E}
}